Sift flour into a mixing bowl; rub in butter; stir in salt, sugar and
yeast. Mix in sufficient warm water to form a soft dough; knead
until no longer sticky. Cover bowl loosely with plastic wrap and
leave to rise in a warm place for about 1 1/2 to 2 hours, until
doubled in size. Meanwhile, prepare filling.

In a large frying pan, melt butter; sauté onion until soft.Stir in
tomatoes with their juice, oregano and pepper. Mash thoroughly
and cook for about ten minutes, stirring frequently until thick.
Grease a large baking sheet. Preheat oven to 400 degrees
Fahrenhiet. In center of baking sheet, press out dough to an 8
inch round. Cover with prepared filling to within half inch of edge.
Cover pizza with cheese, dispersing the cheese types evenly
across the surface. Top with trellis of bacon strips and olives.
Cook in the oven for 25-30 minutes, until crisp and golden.